USD390792SExpiredUtility
Photoelectric timer
Est. expiryMar 12, 2017(expired)· nominal 20-yr term from priority
Inventors:Albert Stekelenburg
49
PatentIndex Score
6
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a photoelectric timer, as shown and described.
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